(19)
(11) EP 3 145 435 A1

(12)

(43) Date of publication:
29.03.2017 Bulletin 2017/13

(21) Application number: 15727181.8

(22) Date of filing: 19.05.2015
(51) International Patent Classification (IPC): 
A61C 1/07(2006.01)
A61C 1/18(2006.01)
A61C 17/20(2006.01)
(86) International application number:
PCT/US2015/031530
(87) International publication number:
WO 2015/179371 (26.11.2015 Gazette 2015/47)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA

(30) Priority: 19.05.2014 US 201462000145 P

(71) Applicant: Dentsply International, Inc.
York, PA 17405 (US)

(72) Inventors:
  • GUARAGNO, Kenneth R.
    Spring Grove, Pennsylvania 17362 (US)
  • WITMER, Jared
    Lewisberry, Pennsylvania 17339 (US)
  • SWATTON, Clive
    Mount Joy, Pennsylvania 17552 (US)

(74) Representative: Hartz, Nikolai 
Wächtershäuser & Hartz Patentanwaltspartnerschaft mbB Weinstrasse 8
80333 München
80333 München (DE)

   


(54) ULTRSONIC DENTAL HANDPIECE